Re: [PATCH 0/7] Permit filesystem local caching and NFS superblock sharing [try #13]

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Mon, 2006-09-04 at 14:46 +0100, David Howells wrote:
> Ian Kent <[email protected]> wrote:
> 
> > This is the point I'm trying to make.
> > I'm able to reproduce this with exports that don't have "nohide".
> > The mkdir used to return EEXIST, possibly before getting to the EACCES
> > test. It appears to be a change in semantic behavior and I can't see
> > where it is coming from. autofs expects an EEXIST but not an EACCES and
> > so doesn't perform the mount. I could ignore the EACCES but that would
> > be cheating.
> 
> Here's something you can try:  Look in fs/nfs/dir.c.  Find nfs_lookup().  In
> there, find the following lines:
> 
> 	/* If we're doing an exclusive create, optimize away the lookup */
> 	if (nfs_is_exclusive_create(dir, nd))
> 		goto no_entry;
> 
> Comment that bit out and see what the effect it.

Yes.

Commenting this out results in the expected behavior.
No doubt this is because the following NFS lookup to the server returns
EEXIST which is then returned to userspace.

Ian


-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

[Index of Archives]     [Kernel Newbies]     [Netfilter]     [Bugtraq]     [Photo]     [Stuff]     [Gimp]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Video 4 Linux]     [Linux for the blind]     [Linux Resources]
  Powered by Linux